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Parallel processing in heterogeneous cluster architechtures using JavaPorts

Parallel Processing in heterogeneous cluster architectures using JavaPortsby Demetris G. Galatopoullos and Elias S. Manolakos Introduction The variety of individual machine architectures, the high availability of spare CPU time and the recent advances in high-speed networks technology have made clusters of workstations a promising and cost effective alternative to conventional parallel machines, primarily for coarse grain parallel algorithms where the communication among processors is not excessive. The objective of the JavaPorts project is to provide a user friendly environment so that programmers who are not intimately familiar with object oriented and concurrent programming concepts, can still develop, map and easily reconfigure parallel and distributed applications written in Java [1]. The JavaPorts environment relieves the programmer from the details of processors coordination while saving the large effort of developing the application entirely from scratch every time the cluster topology changes. The developer specifies a Task Graph with the aid of a simple configuration language or a graphical user interface. In this graph, Tasks are allocated to compute Nodes (machines) and may communicate via Ports . A Port is a software abstraction that appears as a mailbox to a task that may write to (or read from) it in order http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Crossroads Association for Computing Machinery

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